Joseph would like to make 12 pounds of a coffee blend at a cost of $6. 25 per pound. He blends Ground Chicory at $4. 40 a pound with Jamaican Blue Mountain at $8. 84 per pound. How much of each type of coffee should he use?.

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?